Pipe system



E. G. RITCHIE Nov. 8,1938.

PIPE SYSTEM 2 a W M n w mi 3% 5 E n m m g m w J u WTOR.

M ATTORNEY.

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UNITED STATES PATENT oF-FicE PIPE SYSTEM Ernest Guthrie Ritchie, London,England Application October 27, 1936, Serial No. 107,749 In GreatBritain November 8, 1935 4 Claims. (Cl. 285131) My invention relates toa pipe fitting and more ing, is & flange 29 having a o 25 Which s inparticularly to a fitting which may be inserted alignment wi h a passag22 formed in the between the ends of two flanged pipes for the manifold.and communicating with the interior purpose of connecting a branch pipethereto. thereof. A branch pipe 23 is provided with a 5 Heretofore, whenit has been desired to conflange 24 which is secured to flange 26 by bos 5 nect a branch to an existing pipe line, it has In order to install yimproved fitting between been necessary to cut out a section of the pipethe es II and 53 of p p s and p and to insertaT. In accordance with myinventively, t e bolts 6 Se t se a e 0- tion, which is applicable topipes having flanged t r r r m v d n the flanges are p- 10 ends, it ismerely necessary to unbolt one of the arated slightly. Th s ay e done byspringing 10 flanged joints and to insert my improved pipe the p p linwhi h includes p p s l0 a d I2 fitting therebetween. sufliciently topermit disc IE to be inserted there- Further objects and advantages ofmy invenbetween. As installed, pipe lines have sufficient tion will beapparent from the following descripspring t0 permit this, a t d s 5 smade tion when considered in connection with the acas t s possible so tt a ount 0f d s- 15 companying drawing forming a part of thisspecplacement of the flanges H and I3 is a minimum.

ification and of which After disc I5 has been inserted between flangesFig. l is a side View of my improved fitting inl I and I3, bol s 26 a ereplaced and tightened, stalled in a pipe line; thus clamping the discin fluid tight relation be- Fig. 2 is an end View, partially brokenaway, of t en fla e H a Thereafter, branch 20 my improved fitting; andpipe 23 may be connected by bolting the flange 24 Fig. 3 is across-sectional view taken on the ere n to he flange 20 of fitt ng iline 3-3 of Fig. 2. A certain amount of the fluid flowing throughReferring to the drawing, reference character p pes I9 a I2 flO throughp s 9 in a 25 I0 designates a pipe having a flanged end H, disc l5 tothe interior of manifold l8. From 25 and reference character l2designates a similar er the fluid fi W through passage 22 and bore pipehaving a flanged end I3. As originally in- 2 to an p pe 23. stalled,pipes ill and H were connected together Should it be desired later toremove the branch by means of bolts passing through holes formed p pe, sy he done by removing the bolts 25 in their respective flanges. and thedisc 55 and then bolting the flanges ll 30 As shown in Fig. 1, flangesII and is have and !3 together. Thus the pipe line is restored beenseparated and there has been inserted to its Originalconditiontherebetween .a fitting l 4. This fitting includes While I havedescribed one more less p a flat disc shaped member is of a diametersomefi embodiment o y inv nti it s to be unwhat greater than the outerdiameter of the d r d t t a been done for p s f 35 flanges H and i3 andh ing a c t l opening illustration only and that the scope of my inven-IS of a diameter substantially equal to that of VentiOll is not to belimited thereby ut is to the inner diameter of pipes H] and I2. Flange eete ed y t pp Claims V ewe or disc I5 is provided with a plurality ofbolt n the light of the prior 40 holes I! corresponding in number, size}and What I claim is: 40 spacing to the bolt holes formed in flangesII 1. Afitting for insertion between the flanges in and I3. A manifold 3extends around substana pipe line and serving for the inflow or outflowtially one-half of the outer diameter of flange of part of the fluid inthe pipe line including a l5 and is secured to the flange in anysuitable disc of greater external diameter than the flanges fluid tightmanner, as by welding. In the half and having an inner opening for themain stream, 45 of the flange which is surrounded by manifold a manifoldsecured to the outer edge of the disc l8 there are formed a plurality ofradially eX- radially beyond the flanges, said disc being formed tendingpassages l9. These passages are arwith radially extending passagescommunicating ranged between bolt holes I? so that there is no with theinterior of said manifold, and means communication between the passagesand the for securing a branch pipe to said manifold ra- 50 bolt holes.The passages l9 connect the annular dially beyond said flanges. spacewithin disc l5 with the interior of mani- 2. A fitting for insertionbetween the flange in fold N3. the pipe system and serving for theinflow and Secured to the outer circumference of manioutflow of part ofthe fluid in the pipe system infold I8 in any suitable manner, such asby weldeluding a disc of greater external diameter than 55 3. A fittingfor insertion between the flanges in a pipe line and serving for theinflow or outflow of part of the fluid in the pipe line including a discof greater external diameter than the flanges and having an inneropening for the main stream, a manifold secured to the outer edge of thedisc radially beyond the flanges, said manifold being thicker than saiddisc, said disc being formed with a plurality of radially extendingpassages establishing communication between said inner opening and saidmanifold, and means for connecting a branch pipe to said manifold, thediameter of said branch pipe being greater than the thickness of saiddisc.

4. A fitting for insertion between the flanges in a pipe line andserving for the inflow or outflow of part of the fluid in the pipe lineincluding a disc of greater external diameter than the flanges andhaving an inner opening for the main stream, a manifold secured to theouter edge of the disc radially beyond the flanges, said manifoldextending not more than half-way around said disc and being thicker thansaid disc, said disc being formed with a plurality of radially extendingpassages establishing communication between said inner opening and saidmanifold, and means for securing a branch pipe to said manifold radiallybeyond said flanges.

ERNEST GUTHRIE RITCHIE;

